TurtleArt美景图

来源：互联网发布：卖家怎么设置淘宝客编辑：程序博客网时间：2024/04/28 09:00

《雪景-Snowfall》

随机因素：

雪花位置

雪花颜色

雪花大小

花瓣数目

地面灰色长短

地面灰色位置

from turtle import *from random import *def ground():    hideturtle()    speed(100)    for i in range(400):        pensize(randint(5,10))        x=randint(-400,350)        y=randint(-280,-1)        r=-y/280        g=-y/280        b=-y/280        pencolor(r,g,b)        penup()        goto(x,y)        pendown()        forward(randint(40,100))def snow():    hideturtle()    pensize(2)    speed(100)    for i in range(100):        r=random()        g=random()        b=random()        pencolor(r,g,b)        penup()        setx(randint(-350,350))        sety(randint(1,270))        pendown()        dens=randint(8,12)        snowsize=randint(10,14)        for j in range(dens):            forward(snowsize)            backward(snowsize)            right(360/dens)def main():    setup(800,600,0,0)    tracer(False)    bgcolor("black")    snow()    ground()    tracer(True)    mainloop()if __name__=="__main__":    main()

《Rainbow》

颜色空间

RGB模型光的三原色，色相由RGB共同决定

HSV模型

H色彩、S深浅、V明暗

色相由H决定

from turtle import * def HSB2RGB(hues):    hues = hues * 3.59 #100转成359范围    rgb=[0.0,0.0,0.0]    i = int(hues/60)%6    f = hues/60 -i    if i == 0:        rgb[0] = 1; rgb[1] = f; rgb[2] = 0    elif i == 1:        rgb[0] = 1-f; rgb[1] = 1; rgb[2] = 0    elif i == 2:        rgb[0] = 0; rgb[1] = 1; rgb[2] = f    elif i == 3:        rgb[0] = 0; rgb[1] = 1-f; rgb[2] = 1    elif i == 4:        rgb[0] = f; rgb[1] = 0; rgb[2] = 1    elif i == 5:        rgb[0] = 1; rgb[1] = 0; rgb[2] = 1-f    return rgb     def rainbow():    hues = 0.0    color(1,0,0)    #绘制彩虹    hideturtle()    speed(100)    pensize(3)    penup()    goto(-400,-300)    pendown()    right(110)    for i in range (100):        circle(1000)        right(0.13)        hues = hues + 1        rgb = HSB2RGB(hues)        color(rgb[0],rgb[1],rgb[2])        penup()     def main():    setup(800, 600, 0, 0)    bgcolor((0.8, 0.8, 1.0))    tracer(False)    rainbow()    #输出文字    tracer(False)    goto(100,-100)    pendown()    color("red")    write("Rainbow",align="center",          font=("Script MT Bold", 80, "bold"))    tracer(True)         mainloop()if __name__ == "__main__":    main()

阅读全文

0 0